Satellite

"This event continues to be very high risk," space debris tracking company LeoLabs said of the possible collision.

"Once these satellites reach their target position, we will be able to roll out a fairly wide public beta in northern U.S.," Elon Musk said on Twitter after the launch from Florida today.

Scientists warn that an unstable mountain slope above Barry Arm could collapse, triggering a massive landslide.

Several large new fires broke out across California over the weekend.

Satellite imagery and photos from a NASA astronaut are helping to visualize the size of a vast and "unsurvivable" hurricane.

NASA uses a variety of techniques to follow and track tropical cyclones, which helps forecasters at the National Hurricane Center.

Iranian state media carried what it said were images of the Al Udeid air base in Qatar, home to thousands of American troops.

The Starlink mission is intended to deliver "high speed broadband internet to locations where access has been unreliable, expensive, or completely unavailable," SpaceX reiterated this week.

SpaceX's mission, "Starlink," will have its third launch tonight, sending 60 more satellites up into orbit.

Two of Neptune's inner moons are locked together in a type of orbit that has not been seen before. This allows them to cross paths without coming into contact, researchers say.

New satellite images show Iskander ballistic missile units conducting drills within range of the border.

Roscosmos will try to regain control of the satellite Monday.

"Boats and planes can't go everywhere," one scientist said. Satellites on the other hand...

Stumbling home by the flickering glow of streetlamps could become a thing of the past if one Chinese company has its way.

The probe will use gravity like a slingshot on its seven-year voyage to Mercury.

A particular horror in several areas in and around Palu was liquefaction, which happens when soil shaken by an earthquake behaves like a liquid.

The satellite was successfully launched from California's Vandenberg Air Force Base.

To the sound of applause, the rocket launched from Space Launch Complex 40 at Cape Canaveral Air Force Station, Florida.

This "masterpiece of engineering" could transform our understanding of storms.

Beset by spiralling costs and more than a decade of delays, the satellite has finally launched.

Roscosmos has become the subject of ridicule after budget cuts and high-profile setbacks.

GOES-17 was launched in March, but before its official operations had even begun it suffered a serious malfunction.

A new 38 North report shows the apparent dismantling of the Sohae Satellite Launching Station, something it calls "a significant confidence-building measure."

The cause of the fire is unknown, and it started last week.

Ash from the eruption of the Fuego volcano rained down on the surrounding area, while rapid pyroclastic flows rushed through nearby towns. 

China also has its sights set on asteroids, Mars and the Jupiter system.

"We see a distinctive pattern of the wet land areas of the world getting wetter...and the dry areas in between getting dryer."

Satellite imagery is helping scientists track fissures and gas emissions during the eruption.

They were created using data from nearly 1.7 billion stars.

Satellites have collided only four times in the past 30 years, making it difficult to form generalizations about cause.